AB roller



FIG. 1 is a top perspective view of the AB roller showing my new design;

FIG. 2 is a front side elevation view thereof;

FIG. 3 is a back side elevation view thereof;

FIG. 4 is a left side elevation view thereof;

FIG. 5 is a right side elevation view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines shown in the drawings depict indicia portions of the AB roller that form no part of the claimed design. 

CLAIM I claim the ornamental design for an AB roller, as shown and described. 